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Cambridge Secondary (7-9). Stage 9. MCE Science. Student Book - Unit 8: Rate of Reaction - Question 42

Cambridge Secondary (7-9) · Unit 8: Rate of Reaction

Question 42

Put a tick (✓) next to the correct answers. During a chemical reaction, energy is:
  1. created or destroyed
  2. transferred to and from the surroundings
  3. neither created nor destroyed
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